Mechanical response of transformation-induced plasticity (TRIP)-enabled metastable high entropy alloys that display austenite (γ) to martensitic (ε) phase transformation under uniaxial tension is characterized by a constant work hardening segment preceded and succeeded by stages of gradual drop in work hardening. A four-parameter empirical model based on the nature of the work hardening curve is developed. The model enjoys ease of parametric identification from macroscopic mechanical response over physically-based models. Compared to tensile deformation of conventional alloys, some insights are drawn from the numerical value of the model parameters for TRIP HEAs when fitted to their tensile deformation response. Further, a method to predict the tensile mechanical response of TRIP HEAs/steels based on the trends of correlated parameters with stacking fault energy and microstructure is proposed.

在单轴拉伸下显示奥氏体 (γ) 到马氏体 (ε) 相变的相变诱导塑性 (TRIP) 启用的亚稳态高熵合金的机械响应的特征在于，在工作逐渐下降的阶段之前和之后是恒定的加工硬化段硬化。开发了基于加工硬化曲线性质的四参数经验模型。该模型可以轻松地从基于物理的模型的宏观力学响应中进行参数识别。与传统合金的拉伸变形相比，当拟合到拉伸变形响应时，可以从 TRIP HEA 模型参数的数值中得出一些见解。更多，